Ashraf A Khanam, Y Padmavathi, and Raghavendra Babu. “Development and Validation of Derivative FTIR Spectroscopy for Estimation of Entecavir Monohydrate in Its Pure and Pharmaceutical Dosage Forms”. Global Journal of Medical Research 20, no. B5 (March 15, 2020): 13–34. Accessed May 4, 2024. https://medicalresearchjournal.org/index.php/GJMR/article/view/2165.